C# 组件=空； /// ///清理所有正在使用的资源。 /// ///如果应处置托管资源，则为true；否则，错误。 受保护的覆盖无效处置（布尔处置） { if（处理和（组件！=null）） { 组件。Dispose（）； } 基地。处置（处置）； } #
组件=空； /// ///清理所有正在使用的资源。 /// ///如果应处置托管资源，则为true；否则，错误。 受保护的覆盖无效处置（布尔处置） { if（处理和（组件！=null）） { 组件。Dispose（）； } 基地。处置（处置）； } #区域Windows窗体设计器生成的代码 /// ///设计器支持所需的方法-不修改 ///此方法的内容与代码编辑器一起使用。 /// 私有void InitializeComponent（） { this.panel1=new System.Windows.Forms.Panel（）； this.labelGoToSignUp=new System.Windows.Forms.Label（）； this.buttonLogin=new System.Windows.Forms.Button（）； this.textBoxPassword=new System.Windows.Forms.TextBox（）； this.pictureBox2=新系统.Windows.Forms.PictureBox（）； this.textBoxUsername=new System.Windows.Forms.TextBox（）； this.pictureBox1=新系统.Windows.Forms.PictureBox（）； this.panel2=new System.Windows.Forms.Panel（）； this.labelClose=new System.Windows.Forms.Label（）； this.label1=new System.Windows.Forms.Label（）； 这个.panel1.SuspendLayout（）； （（System.ComponentModel.ISupportInitialize）（this.pictureBox2））.BeginInit（）； （（System.ComponentModel.ISupportInitialize）（this.pictureBox1））.BeginInit（）； 这个.panel2.SuspendLayout（）； 这个.SuspendLayout（）； // //小组1 // this.panel1.BackColor=System.Drawing.Color.FromArgb（（（int）（字节）（17）），（（int）（字节）（24）），（（int）（字节）（34）（）））； this.panel1.Controls.Add（this.labelGoToSignUp）； this.panel1.Controls.Add（this.buttonLogin）； this.panel1.Controls.Add（this.textBoxPassword）； this.panel1.Controls.Add（this.pictureBox2）； this.panel1.Controls.Add（this.textBoxUsername）； this.panel1.Controls.Add（this.pictureBox1）； this.panel1.Controls.Add（this.panel2）； this.panel1.Dock=System.Windows.Forms.DockStyle.Fill； this.panel1.Location=新系统图纸点（0,0）； this.panel1.Margin=new System.Windows.Forms.Padding（4,4,4,4）； this.panel1.Name=“panel1”； this.panel1.Size=新系统图纸尺寸（632523）； this.panel1.TabIndex=0； // //labelGoToSignUp // this.labelGoToSignUp.AutoSize=true； this.labelGoToSignUp.Cursor=System.Windows.Forms.Cursors.Hand； this.labelGoToSignUp.Font=new System.Drawing.Font（“Microsoft Sans Serif”，8.25F，System.Drawing.FontStyle.Underline，System.Drawing.GraphicsUnit.Point，（（字节）（0））； this.labelGoToSignUp.ForeColor=System.Drawing.Color.White； this.labelGoToSignUp.Location=新系统图点（195479）； this.labelGoToSignUp.Margin=new System.Windows.Forms.Padding（4,0,4,0）； this.labelGoToSignUp.Name=“labelGoToSignUp”； this.labelGoToSignUp.Size=新系统.Drawing.Size（211,17）； this.labelGoToSignUp.TabIndex=6； this.labelGoToSignUp.Text=“没有帐户？注册”； this.labelGoToSignUp.Click+=new System.EventHandler（this.labelGoToSignUp_Click）； this.labelGoToSignUp.MouseEnter+=新的System.EventHandler（this.labelGoToSignUp_MouseEnter）； this.labelGoToSignUp.MouseLeave+=new System.EventHandler（this.labelgotosignupu MouseLeave）； // //巴顿洛金 // this.buttonLogin.BackColor=System.Drawing.Color.FromArgb（（（int）（（字节）（242）），（（int）（（字节）（103）），（（int）（（字节）（46）（））））））； this.buttonLogin.Cursor=System.Windows.Forms.Cursors.Hand； this.buttonLogin.FlatAppearance.BorderSize=0； this.buttonLogin.FlatStyle=System.Windows.Forms.FlatStyle.Flat； this.buttonLogin.Font=新的System.Drawing.Font（“Microsoft无衬线字体”，15.75F，System.Drawing.FontStyle.Regular，System.Drawing.GraphicsUnit.Point，（（字节）（0）））； this.buttonLogin.ForeColor=System.Drawing.Color.White； this.buttonLogin.Location=新系统图纸点（45380）； this.buttonLogin.Margin=新系统.Windows.Forms.Padding（4,4,4,4）； this.buttonLogin.Name=“buttonLogin”； this.buttonLogin.Size=新系统图纸尺寸（541,74）； this.buttonLogin.TabIndex=5； this.buttonLogin.Text=“登录”； this.buttonLogin.UseVisualStyleBackColor=false； this.buttonLogin.Click+=新建System.EventHandler（this.buttonLogin\u Click）； // //文本框密码 // this.textBoxPassword.Font=new System.Drawing.Font（“Microsoft Sans Serif”，24F，System.Drawing.FontStyle.Regular，System.Drawing.GraphicsUnit.Point，（（字节）（0））； this.textBoxPassword.Location=新系统.图纸.点（120276）； this.textBoxPassword.Margin=new System.Windows.Forms.Padding（4,4,4,4）； this.textBoxPassword.Name=“textBoxPassword”； this.textBoxPassword.Size=新系统.Drawing.Size（465,53）； this.textBoxPassword.TabIndex=4； this.textBoxPassword.UseSystemPasswordChar=true； // //图片b2 // this.pictureBox2.Image=global:：Csharp\u Login\u和\u Register.Properties.Resources.\u lock； this.pictureBox2.Location=新系统图点（45276）； this.pictureBox2.Margin=新系统.Windows.Forms.Padding（4,4,4,4）； this.pictureBox2.Name=“pictureBox2”； this.pictureBox2.Size=新系统图纸尺寸（67,62）；C# 组件=空； /// ///清理所有正在使用的资源。 /// ///如果应处置托管资源，则为true；否则，错误。 受保护的覆盖无效处置（布尔处置） { if（处理和（组件！=null）） { 组件。Dispose（）； } 基地。处置（处置）； } #,c#,mysql,login,C#,Mysql,Login,组件=空； /// ///清理所有正在使用的资源。 /// ///如果应处置托管资源，则为true；否则，错误。 受保护的覆盖无效处置（布尔处置） { if（处理和（组件！=null）） { 组件。Dispose（）； } 基地。处置（处置）； } #区域Windows窗体设计器生成的代码 /// ///设计器支持所需的方法-不修改 ///此方法的内容与代码编辑器一起使用。 /// 私有void InitializeComponent（） { this.panel1=new System
public partial class standardUserInterface : Form
{
int userIdNumber;
string[] userinfo;
public standardUserInterface(int userIdNumber)
{
InitializeComponent();
userinfo = new string[3];
this.userIdNumber = userIdNumber;
string selectUserData = "select voornaam,achternaam,woonplaats from dbo.usersinfo inner join dbo.loginuser on usersinfo.id=@loginUserId";
SqlConnection conn = sqlConn.openSqlConnection();
conn.Open();
SqlCommand comm = new SqlCommand(selectUserData, conn);
comm.Parameters.AddWithValue("@loginUserId", userIdNumber);
SqlDataReader dr = comm.ExecuteReader();
while (dr.Read())
{
for (int i = 0; i < 3; i++)
{
userinfo[i] = dr.GetString(i);
}
}
lblVoornaam.Text = userinfo[0];
lblAchternaam.Text = userinfo[1];
lblAdres.Text = userinfo[2];
}
}
private string password;
private string username;
private int userIdNumber;
public Form1()
{
InitializeComponent();
}
private void btnLogin_Click(object sender, EventArgs e)
{
username = txtUsername.Text;
password = txtPassword.Text;
userLogin user = new userLogin(username, password);
//wachtwoord & gebruikersnaam controleren
if (username != "" & password != "")
{
if (user.checkPassword())
{
this.Hide();
userIdNumber = user.checkID();
standardUserInterface openUserInterface = new standardUserInterface(userIdNumber);
openUserInterface.ShowDialog();
}
else
{
MessageBox.Show("wachtwoord is onjuist");
}
}
else
{
MessageBox.Show("vul alle velden in");
}
}
SqlCommand comm = new SqlCommand("searchForUserInformation", conn);
comm.CommandType = CommandType.StoredProcedure;
comm.Parameters.AddWithValue("@loginUserId", userIdNumber);`
using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Csharp_Login_And_Register
{
public partial class LoginForm : Form
{
public LoginForm()
{
InitializeComponent();
this.textBoxPassword.AutoSize = false;
this.textBoxPassword.Size = new Size(this.textBoxPassword.Size.Width, 50);
}
private void labelClose_MouseEnter(object sender, EventArgs e)
{
labelClose.ForeColor = Color.Black;
}
private void labelClose_MouseLeave(object sender, EventArgs e)
{
labelClose.ForeColor = Color.White;
}
private void labelClose_Click(object sender, EventArgs e)
{
//this.Close();
Application.Exit();
}
private void buttonLogin_Click(object sender, EventArgs e)
{
DB db = new DB();
String username = textBoxUsername.Text;
String password = textBoxPassword.Text;
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter();
MySqlCommand command = new MySqlCommand("SELECT * FROM `users` WHERE `username` = @usn and `password` = @pass", db.getConnection());
command.Parameters.Add("@usn", MySqlDbType.VarChar).Value = username;
command.Parameters.Add("@pass", MySqlDbType.VarChar).Value = password;
adapter.SelectCommand = command;
adapter.Fill(table);
// check if the user exists or not
if (table.Rows.Count > 0)
{
this.Hide();
MainForm mainform = new MainForm();
mainform.Show();
}
else
{
if(username.Trim().Equals(""))
{
MessageBox.Show("Enter Your Username To Login","Empty Username",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
else if (password.Trim().Equals(""))
{
MessageBox.Show("Enter Your Password To Login", "Empty Password", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
MessageBox.Show("Wrong Username Or Password", "Wrong Data", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void labelGoToSignUp_Click(object sender, EventArgs e)
{
this.Hide();
RegisterForm registerform = new RegisterForm();
registerform.Show();
}
private void labelGoToSignUp_MouseEnter(object sender, EventArgs e)
{
labelGoToSignUp.ForeColor = Color.Yellow;
}
private void labelGoToSignUp_MouseLeave(object sender, EventArgs e)
{
labelGoToSignUp.ForeColor = Color.White;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MySql.Data.MySqlClient;
namespace Csharp_Login_And_Register
{
/*
we need to download the mysql connector
* add the connector to our project
* ( watch the video to see how )
* create a connection now with mysql
* open xampp and start mysql & apache
* go to phpmyadmin and create the users database
*/
class DB
{
private MySqlConnection connection = new MySqlConnection("server=localhost;port=3306;username=root;password=;database=csharp_users_db");
// create a function to open the connection
public void openConnection()
{
if(connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
}
// create a function to close the connection
public void closeConnection()
{
if (connection.State == System.Data.ConnectionState.Open)
{
connection.Close();
}
}
// create a function to return the connection
public MySqlConnection getConnection()
{
return connection;
}
}
}
namespace Csharp_Login_And_Register
{
partial class LoginForm
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.panel1 = new System.Windows.Forms.Panel();
this.labelGoToSignUp = new System.Windows.Forms.Label();
this.buttonLogin = new System.Windows.Forms.Button();
this.textBoxPassword = new System.Windows.Forms.TextBox();
this.pictureBox2 = new System.Windows.Forms.PictureBox();
this.textBoxUsername = new System.Windows.Forms.TextBox();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
this.panel2 = new System.Windows.Forms.Panel();
this.labelClose = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.panel1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).BeginInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
this.panel2.SuspendLayout();
this.SuspendLayout();
//
// panel1
//
this.panel1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(17)))), ((int)(((byte)(24)))), ((int)(((byte)(34)))));
this.panel1.Controls.Add(this.labelGoToSignUp);
this.panel1.Controls.Add(this.buttonLogin);
this.panel1.Controls.Add(this.textBoxPassword);
this.panel1.Controls.Add(this.pictureBox2);
this.panel1.Controls.Add(this.textBoxUsername);
this.panel1.Controls.Add(this.pictureBox1);
this.panel1.Controls.Add(this.panel2);
this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel1.Location = new System.Drawing.Point(0, 0);
this.panel1.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(632, 523);
this.panel1.TabIndex = 0;
//
// labelGoToSignUp
//
this.labelGoToSignUp.AutoSize = true;
this.labelGoToSignUp.Cursor = System.Windows.Forms.Cursors.Hand;
this.labelGoToSignUp.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Underline, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.labelGoToSignUp.ForeColor = System.Drawing.Color.White;
this.labelGoToSignUp.Location = new System.Drawing.Point(195, 479);
this.labelGoToSignUp.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
this.labelGoToSignUp.Name = "labelGoToSignUp";
this.labelGoToSignUp.Size = new System.Drawing.Size(211, 17);
this.labelGoToSignUp.TabIndex = 6;
this.labelGoToSignUp.Text = "Don\'t Have an Account? SignUp";
this.labelGoToSignUp.Click += new System.EventHandler(this.labelGoToSignUp_Click);
this.labelGoToSignUp.MouseEnter += new System.EventHandler(this.labelGoToSignUp_MouseEnter);
this.labelGoToSignUp.MouseLeave += new System.EventHandler(this.labelGoToSignUp_MouseLeave);
//
// buttonLogin
//
this.buttonLogin.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(242)))), ((int)(((byte)(103)))), ((int)(((byte)(46)))));
this.buttonLogin.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonLogin.FlatAppearance.BorderSize = 0;
this.buttonLogin.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.buttonLogin.Font = new System.Drawing.Font("Microsoft Sans Serif", 15.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.buttonLogin.ForeColor = System.Drawing.Color.White;
this.buttonLogin.Location = new System.Drawing.Point(45, 380);
this.buttonLogin.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.buttonLogin.Name = "buttonLogin";
this.buttonLogin.Size = new System.Drawing.Size(541, 74);
this.buttonLogin.TabIndex = 5;
this.buttonLogin.Text = "LOGIN";
this.buttonLogin.UseVisualStyleBackColor = false;
this.buttonLogin.Click += new System.EventHandler(this.buttonLogin_Click);
//
// textBoxPassword
//
this.textBoxPassword.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxPassword.Location = new System.Drawing.Point(120, 276);
this.textBoxPassword.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.textBoxPassword.Name = "textBoxPassword";
this.textBoxPassword.Size = new System.Drawing.Size(465, 53);
this.textBoxPassword.TabIndex = 4;
this.textBoxPassword.UseSystemPasswordChar = true;
//
// pictureBox2
//
this.pictureBox2.Image = global::Csharp_Login_And_Register.Properties.Resources._lock;
this.pictureBox2.Location = new System.Drawing.Point(45, 276);
this.pictureBox2.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.pictureBox2.Name = "pictureBox2";
this.pictureBox2.Size = new System.Drawing.Size(67, 62);
this.pictureBox2.TabIndex = 3;
this.pictureBox2.TabStop = false;
//
// textBoxUsername
//
this.textBoxUsername.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxUsername.Location = new System.Drawing.Point(120, 178);
this.textBoxUsername.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.textBoxUsername.Multiline = true;
this.textBoxUsername.Name = "textBoxUsername";
this.textBoxUsername.Size = new System.Drawing.Size(465, 61);
this.textBoxUsername.TabIndex = 2;
//
// pictureBox1
//
this.pictureBox1.Image = global::Csharp_Login_And_Register.Properties.Resources.user;
this.pictureBox1.Location = new System.Drawing.Point(45, 178);
this.pictureBox1.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(67, 62);
this.pictureBox1.TabIndex = 1;
this.pictureBox1.TabStop = false;
//
// panel2
//
this.panel2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(183)))), ((int)(((byte)(19)))));
this.panel2.Controls.Add(this.labelClose);
this.panel2.Controls.Add(this.label1);
this.panel2.Location = new System.Drawing.Point(-8, 0);
this.panel2.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.panel2.Name = "panel2";
this.panel2.Size = new System.Drawing.Size(640, 114);
this.panel2.TabIndex = 0;
//
// labelClose
//
this.labelClose.AutoSize = true;
this.labelClose.Cursor = System.Windows.Forms.Cursors.Hand;
this.labelClose.Font = new System.Drawing.Font("Arial", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.labelClose.ForeColor = System.Drawing.Color.White;
this.labelClose.Location = new System.Drawing.Point(604, 4);
this.labelClose.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
this.labelClose.Name = "labelClose";
this.labelClose.Size = new System.Drawing.Size(27, 27);
this.labelClose.TabIndex = 1;
this.labelClose.Text = "X";
this.labelClose.Click += new System.EventHandler(this.labelClose_Click);
this.labelClose.MouseEnter += new System.EventHandler(this.labelClose_MouseEnter);
this.labelClose.MouseLeave += new System.EventHandler(this.labelClose_MouseLeave);
//
// label1
//
this.label1.Dock = System.Windows.Forms.DockStyle.Fill;
this.label1.Font = new System.Drawing.Font("Arial", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label1.Location = new System.Drawing.Point(0, 0);
this.label1.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(640, 114);
this.label1.TabIndex = 0;
this.label1.Text = "USER LOGIN";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// LoginForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(632, 523);
this.Controls.Add(this.panel1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Margin = new System.Windows.Forms.Padding(4, 4, 4, 4);
this.Name = "LoginForm";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "LoginForm";
this.panel1.ResumeLayout(false);
this.panel1.PerformLayout();
((System.ComponentModel.ISupportInitialize)(this.pictureBox2)).EndInit();
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
this.panel2.ResumeLayout(false);
this.panel2.PerformLayout();
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.Panel panel2;
private System.Windows.Forms.Label labelClose;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBoxPassword;
private System.Windows.Forms.PictureBox pictureBox2;
private System.Windows.Forms.TextBox textBoxUsername;
private System.Windows.Forms.PictureBox pictureBox1;
private System.Windows.Forms.Button buttonLogin;
private System.Windows.Forms.Label labelGoToSignUp;
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Csharp_Login_And_Register
{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
}
private void MainForm_FormClosing(object sender, FormClosingEventArgs e)
{
Application.Exit();
}
}
}
Registration
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MySql.Data.MySqlClient;
namespace Csharp_Login_And_Register
{
public partial class RegisterForm : Form
{
public RegisterForm()
{
InitializeComponent();
}
private void RegisterForm_Load(object sender, EventArgs e)
{
// remove the focus from the textboxes
this.ActiveControl = label1;
}
private void textBoxFirstname_Enter(object sender, EventArgs e)
{
String fname = textBoxFirstname.Text;
if(fname.ToLower().Trim().Equals("first name"))
{
textBoxFirstname.Text = "";
textBoxFirstname.ForeColor = Color.Black;
}
}
private void textBoxFirstname_Leave(object sender, EventArgs e)
{
String fname = textBoxFirstname.Text;
if (fname.ToLower().Trim().Equals("first name") || fname.Trim().Equals(""))
{
textBoxFirstname.Text = "first name";
textBoxFirstname.ForeColor = Color.Gray;
}
}
private void textBoxLastname_Enter(object sender, EventArgs e)
{
String lname = textBoxLastname.Text;
if (lname.ToLower().Trim().Equals("last name"))
{
textBoxLastname.Text = "";
textBoxLastname.ForeColor = Color.Black;
}
}
private void textBoxLastname_Leave(object sender, EventArgs e)
{
String lname = textBoxLastname.Text;
if (lname.ToLower().Trim().Equals("last name") || lname.Trim().Equals(""))
{
textBoxLastname.Text = "last name";
textBoxLastname.ForeColor = Color.Gray;
}
}
private void textBoxEmail_Enter(object sender, EventArgs e)
{
String email = textBoxEmail.Text;
if (email.ToLower().Trim().Equals("email address"))
{
textBoxEmail.Text = "";
textBoxEmail.ForeColor = Color.Black;
}
}
private void textBoxEmail_Leave(object sender, EventArgs e)
{
String email = textBoxEmail.Text;
if (email.ToLower().Trim().Equals("email address") || email.Trim().Equals(""))
{
textBoxEmail.Text = "email address";
textBoxEmail.ForeColor = Color.Gray;
}
}
private void textBoxUsername_Enter(object sender, EventArgs e)
{
String username = textBoxUsername.Text;
if (username.ToLower().Trim().Equals("username"))
{
textBoxUsername.Text = "";
textBoxUsername.ForeColor = Color.Black;
}
}
private void textBoxUsername_Leave(object sender, EventArgs e)
{
String username = textBoxUsername.Text;
if (username.ToLower().Trim().Equals("username") || username.Trim().Equals(""))
{
textBoxUsername.Text = "username";
textBoxUsername.ForeColor = Color.Gray;
}
}
private void textBoxPassword_Enter(object sender, EventArgs e)
{
String password = textBoxPassword.Text;
if (password.ToLower().Trim().Equals("password"))
{
textBoxPassword.Text = "";
textBoxPassword.UseSystemPasswordChar = true;
textBoxPassword.ForeColor = Color.Black;
}
}
private void textBoxPassword_Leave(object sender, EventArgs e)
{
String password = textBoxPassword.Text;
if (password.ToLower().Trim().Equals("password") || password.Trim().Equals(""))
{
textBoxPassword.Text = "password";
textBoxPassword.UseSystemPasswordChar = false;
textBoxPassword.ForeColor = Color.Gray;
}
}
private void textBoxPasswordConfirm_Enter(object sender, EventArgs e)
{
String cpassword = textBoxPasswordConfirm.Text;
if (cpassword.ToLower().Trim().Equals("confirm password"))
{
textBoxPasswordConfirm.Text = "";
textBoxPasswordConfirm.UseSystemPasswordChar = true;
textBoxPasswordConfirm.ForeColor = Color.Black;
}
}
private void textBoxPasswordConfirm_Leave(object sender, EventArgs e)
{
String cpassword = textBoxPasswordConfirm.Text;
if (cpassword.ToLower().Trim().Equals("confirm password") ||
cpassword.ToLower().Trim().Equals("password") ||
cpassword.Trim().Equals(""))
{
textBoxPasswordConfirm.Text = "confirm password";
textBoxPasswordConfirm.UseSystemPasswordChar = false;
textBoxPasswordConfirm.ForeColor = Color.Gray;
}
}
private void labelClose_Click(object sender, EventArgs e)
{
//this.Close();
Application.Exit();
}
private void labelClose_MouseEnter(object sender, EventArgs e)
{
labelClose.ForeColor = Color.Black;
}
private void labelClose_MouseLeave(object sender, EventArgs e)
{
labelClose.ForeColor = Color.White;
}
private void buttonCreateAccount_Click(object sender, EventArgs e)
{
// add a new user
DB db = new DB();
MySqlCommand command = new MySqlCommand("INSERT INTO `users`(`firstname`, `lastname`, `emailaddress`, `username`, `password`) VALUES (@fn, @ln, @email, @usn, @pass)", db.getConnection());
command.Parameters.Add("@fn", MySqlDbType.VarChar).Value = textBoxFirstname.Text;
command.Parameters.Add("@ln", MySqlDbType.VarChar).Value = textBoxLastname.Text;
command.Parameters.Add("@email", MySqlDbType.VarChar).Value = textBoxEmail.Text;
command.Parameters.Add("@usn", MySqlDbType.VarChar).Value = textBoxUsername.Text;
command.Parameters.Add("@pass", MySqlDbType.VarChar).Value = textBoxPassword.Text;
// open the connection
db.openConnection();
// check if the textboxes contains the default values
if (!checkTextBoxesValues())
{
// check if the password equal the confirm password
if(textBoxPassword.Text.Equals(textBoxPasswordConfirm.Text))
{
// check if this username already exists
if (checkUsername())
{
MessageBox.Show("This Username Already Exists, Select A Different One","Duplicate Username",MessageBoxButtons.OKCancel,MessageBoxIcon.Error);
}
else
{
// execute the query
if (command.ExecuteNonQuery() == 1)
{
MessageBox.Show("Your Account Has Been Created","Account Created",MessageBoxButtons.OK,MessageBoxIcon.Information);
}
else
{
MessageBox.Show("ERROR");
}
}
}
else
{
MessageBox.Show("Wrong Confirmation Password","Password Error",MessageBoxButtons.OKCancel,MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("Enter Your Informations First","Empty Data",MessageBoxButtons.OKCancel,MessageBoxIcon.Error);
}
// close the connection
db.closeConnection();
}
// check if the username already exists
public Boolean checkUsername()
{
DB db = new DB();
String username = textBoxUsername.Text;
DataTable table = new DataTable();
MySqlDataAdapter adapter = new MySqlDataAdapter();
MySqlCommand command = new MySqlCommand("SELECT * FROM `users` WHERE `username` = @usn", db.getConnection());
command.Parameters.Add("@usn", MySqlDbType.VarChar).Value = username;
adapter.SelectCommand = command;
adapter.Fill(table);
// check if this username already exists in the database
if (table.Rows.Count > 0)
{
return true;
}
else
{
return false;
}
}
// check if the textboxes contains the default values
public Boolean checkTextBoxesValues()
{
String fname = textBoxFirstname.Text;
String lname = textBoxLastname.Text;
String email = textBoxEmail.Text;
String uname = textBoxUsername.Text;
String pass = textBoxPassword.Text;
if(fname.Equals("first name") || lname.Equals("last name") ||
email.Equals("email address") || uname.Equals("username")
|| pass.Equals("password"))
{
return true;
}
else
{
return false;
}
}
private void labelGoToLogin_MouseEnter(object sender, EventArgs e)
{
labelGoToLogin.ForeColor = Color.Yellow;
}
private void labelGoToLogin_MouseLeave(object sender, EventArgs e)
{
labelGoToLogin.ForeColor = Color.White;
}
private void labelGoToLogin_Click(object sender, EventArgs e)
{
this.Hide();
LoginForm loginform = new LoginForm();
loginform.Show();
}
}
}
namespace Csharp_Login_And_Register
{
partial class RegisterForm
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.panel1 = new System.Windows.Forms.Panel();
this.labelGoToLogin = new System.Windows.Forms.Label();
this.textBoxPasswordConfirm = new System.Windows.Forms.TextBox();
this.textBoxUsername = new System.Windows.Forms.TextBox();
this.textBoxEmail = new System.Windows.Forms.TextBox();
this.textBoxLastname = new System.Windows.Forms.TextBox();
this.buttonCreateAccount = new System.Windows.Forms.Button();
this.textBoxPassword = new System.Windows.Forms.TextBox();
this.textBoxFirstname = new System.Windows.Forms.TextBox();
this.panel2 = new System.Windows.Forms.Panel();
this.labelClose = new System.Windows.Forms.Label();
this.label1 = new System.Windows.Forms.Label();
this.panel1.SuspendLayout();
this.panel2.SuspendLayout();
this.SuspendLayout();
//
// panel1
//
this.panel1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(17)))), ((int)(((byte)(24)))), ((int)(((byte)(34)))));
this.panel1.Controls.Add(this.labelGoToLogin);
this.panel1.Controls.Add(this.textBoxPasswordConfirm);
this.panel1.Controls.Add(this.textBoxUsername);
this.panel1.Controls.Add(this.textBoxEmail);
this.panel1.Controls.Add(this.textBoxLastname);
this.panel1.Controls.Add(this.buttonCreateAccount);
this.panel1.Controls.Add(this.textBoxPassword);
this.panel1.Controls.Add(this.textBoxFirstname);
this.panel1.Controls.Add(this.panel2);
this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
this.panel1.Location = new System.Drawing.Point(0, 0);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(635, 624);
this.panel1.TabIndex = 1;
//
// labelGoToLogin
//
this.labelGoToLogin.AutoSize = true;
this.labelGoToLogin.Cursor = System.Windows.Forms.Cursors.Hand;
this.labelGoToLogin.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Underline, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.labelGoToLogin.ForeColor = System.Drawing.Color.White;
this.labelGoToLogin.Location = new System.Drawing.Point(238, 569);
this.labelGoToLogin.Name = "labelGoToLogin";
this.labelGoToLogin.Size = new System.Drawing.Size(164, 13);
this.labelGoToLogin.TabIndex = 201;
this.labelGoToLogin.Text = "Already Have an Account? Login";
this.labelGoToLogin.Click += new System.EventHandler(this.labelGoToLogin_Click);
this.labelGoToLogin.MouseEnter += new System.EventHandler(this.labelGoToLogin_MouseEnter);
this.labelGoToLogin.MouseLeave += new System.EventHandler(this.labelGoToLogin_MouseLeave);
//
// textBoxPasswordConfirm
//
this.textBoxPasswordConfirm.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxPasswordConfirm.ForeColor = System.Drawing.Color.Gray;
this.textBoxPasswordConfirm.Location = new System.Drawing.Point(52, 388);
this.textBoxPasswordConfirm.Name = "textBoxPasswordConfirm";
this.textBoxPasswordConfirm.Size = new System.Drawing.Size(537, 40);
this.textBoxPasswordConfirm.TabIndex = 9;
this.textBoxPasswordConfirm.Text = "confirm password";
this.textBoxPasswordConfirm.Enter += new System.EventHandler(this.textBoxPasswordConfirm_Enter);
this.textBoxPasswordConfirm.Leave += new System.EventHandler(this.textBoxPasswordConfirm_Leave);
//
// textBoxUsername
//
this.textBoxUsername.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxUsername.ForeColor = System.Drawing.Color.Gray;
this.textBoxUsername.Location = new System.Drawing.Point(52, 264);
this.textBoxUsername.Multiline = true;
this.textBoxUsername.Name = "textBoxUsername";
this.textBoxUsername.Size = new System.Drawing.Size(537, 40);
this.textBoxUsername.TabIndex = 8;
this.textBoxUsername.Text = "username";
this.textBoxUsername.Enter += new System.EventHandler(this.textBoxUsername_Enter);
this.textBoxUsername.Leave += new System.EventHandler(this.textBoxUsername_Leave);
//
// textBoxEmail
//
this.textBoxEmail.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxEmail.ForeColor = System.Drawing.Color.Gray;
this.textBoxEmail.Location = new System.Drawing.Point(52, 204);
this.textBoxEmail.Multiline = true;
this.textBoxEmail.Name = "textBoxEmail";
this.textBoxEmail.Size = new System.Drawing.Size(537, 40);
this.textBoxEmail.TabIndex = 7;
this.textBoxEmail.Text = "email address";
this.textBoxEmail.Enter += new System.EventHandler(this.textBoxEmail_Enter);
this.textBoxEmail.Leave += new System.EventHandler(this.textBoxEmail_Leave);
//
// textBoxLastname
//
this.textBoxLastname.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxLastname.ForeColor = System.Drawing.Color.Gray;
this.textBoxLastname.Location = new System.Drawing.Point(329, 145);
this.textBoxLastname.Multiline = true;
this.textBoxLastname.Name = "textBoxLastname";
this.textBoxLastname.Size = new System.Drawing.Size(260, 40);
this.textBoxLastname.TabIndex = 6;
this.textBoxLastname.Text = "last name";
this.textBoxLastname.Enter += new System.EventHandler(this.textBoxLastname_Enter);
this.textBoxLastname.Leave += new System.EventHandler(this.textBoxLastname_Leave);
//
// buttonCreateAccount
//
this.buttonCreateAccount.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(217)))), ((int)(((byte)(66)))), ((int)(((byte)(85)))));
this.buttonCreateAccount.Cursor = System.Windows.Forms.Cursors.Hand;
this.buttonCreateAccount.FlatAppearance.BorderSize = 0;
this.buttonCreateAccount.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
this.buttonCreateAccount.Font = new System.Drawing.Font("Microsoft Sans Serif", 15.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.buttonCreateAccount.ForeColor = System.Drawing.Color.White;
this.buttonCreateAccount.Location = new System.Drawing.Point(52, 473);
this.buttonCreateAccount.Name = "buttonCreateAccount";
this.buttonCreateAccount.Size = new System.Drawing.Size(537, 60);
this.buttonCreateAccount.TabIndex = 5;
this.buttonCreateAccount.Text = "CREATE ACCOUNT";
this.buttonCreateAccount.UseVisualStyleBackColor = false;
this.buttonCreateAccount.Click += new System.EventHandler(this.buttonCreateAccount_Click);
//
// textBoxPassword
//
this.textBoxPassword.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxPassword.ForeColor = System.Drawing.Color.Gray;
this.textBoxPassword.Location = new System.Drawing.Point(52, 325);
this.textBoxPassword.Name = "textBoxPassword";
this.textBoxPassword.Size = new System.Drawing.Size(537, 40);
this.textBoxPassword.TabIndex = 4;
this.textBoxPassword.Text = "password";
this.textBoxPassword.Enter += new System.EventHandler(this.textBoxPassword_Enter);
this.textBoxPassword.Leave += new System.EventHandler(this.textBoxPassword_Leave);
//
// textBoxFirstname
//
this.textBoxFirstname.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.textBoxFirstname.ForeColor = System.Drawing.Color.Gray;
this.textBoxFirstname.Location = new System.Drawing.Point(52, 145);
this.textBoxFirstname.Multiline = true;
this.textBoxFirstname.Name = "textBoxFirstname";
this.textBoxFirstname.Size = new System.Drawing.Size(260, 40);
this.textBoxFirstname.TabIndex = 200;
this.textBoxFirstname.Text = "first name";
this.textBoxFirstname.Enter += new System.EventHandler(this.textBoxFirstname_Enter);
this.textBoxFirstname.Leave += new System.EventHandler(this.textBoxFirstname_Leave);
//
// panel2
//
this.panel2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(183)))), ((int)(((byte)(19)))));
this.panel2.Controls.Add(this.labelClose);
this.panel2.Controls.Add(this.label1);
this.panel2.Location = new System.Drawing.Point(-6, 0);
this.panel2.Name = "panel2";
this.panel2.Size = new System.Drawing.Size(641, 93);
this.panel2.TabIndex = 0;
//
// labelClose
//
this.labelClose.AutoSize = true;
this.labelClose.Cursor = System.Windows.Forms.Cursors.Hand;
this.labelClose.Font = new System.Drawing.Font("Arial", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.labelClose.ForeColor = System.Drawing.Color.White;
this.labelClose.Location = new System.Drawing.Point(615, 3);
this.labelClose.Name = "labelClose";
this.labelClose.Size = new System.Drawing.Size(23, 22);
this.labelClose.TabIndex = 1;
this.labelClose.Text = "X";
this.labelClose.Click += new System.EventHandler(this.labelClose_Click);
this.labelClose.MouseEnter += new System.EventHandler(this.labelClose_MouseEnter);
this.labelClose.MouseLeave += new System.EventHandler(this.labelClose_MouseLeave);
//
// label1
//
this.label1.Dock = System.Windows.Forms.DockStyle.Fill;
this.label1.Font = new System.Drawing.Font("Arial", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.label1.Location = new System.Drawing.Point(0, 0);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(641, 93);
this.label1.TabIndex = 0;
this.label1.Text = "CREATE YOUR ACCOUNT";
this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
//
// RegisterForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(635, 624);
this.Controls.Add(this.panel1);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Name = "RegisterForm";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "RegisterForm";
this.Load += new System.EventHandler(this.RegisterForm_Load);
this.panel1.ResumeLayout(false);
this.panel1.PerformLayout();
this.panel2.ResumeLayout(false);
this.panel2.PerformLayout();
this.ResumeLayout(false);
}
#endregion
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.Button buttonCreateAccount;
private System.Windows.Forms.TextBox textBoxPassword;
private System.Windows.Forms.TextBox textBoxFirstname;
private System.Windows.Forms.Panel panel2;
private System.Windows.Forms.Label labelClose;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.TextBox textBoxPasswordConfirm;
private System.Windows.Forms.TextBox textBoxUsername;
private System.Windows.Forms.TextBox textBoxEmail;
private System.Windows.Forms.TextBox textBoxLastname;
private System.Windows.Forms.Label labelGoToLogin;
}
}